Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 5 - The Integumentary System - Review Questions - Page 170: 9

Answer

(b) can cause a hair to stand up straight

Work Step by Step

Arrector pili muscles pull the follicles into an upright position, producing goose bumps, and propel sebum to the skin surface when they contract (page 169). The arrector pili muscles are associated with sebaceous glands, not sweat glands. They have nothing to do with stretching wet hair or producing new cells.
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